Posaconazole Desethylene Diformyl Impurity; Posaconazole Impurity B

Posaconazole Desethylene Diformyl Impurity; Posaconazole Impurity B

N-(4-(((3R,5R)-5-((1H-1,2,4-Triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)-N-(2-(N-(4-(1-((2S,3S)-2-hydroxypentan-3-yl)-5-oxo-1H-1,2,4-triazol-4(5H)-yl)phenyl)formamido)ethyl)formamide

Impurity reference standard used for related substances testing of Posaconazole drug substance and drug product per pharmacopoeial limits.